基本解释皮带张紧轮 游轮英汉例句双语例句Constriction and self tightening function of V belt pulley is demonstrated in this paper.文中详细介绍了三角带轮的构造自动张紧原理。专业释义能源科学技术皮带拉滚筒冶金工程技术皮带拉滚筒